Saw cotton-gin



Noland-e1. '7

J. W. COOPER.

I SAW COTTON GIN. ,No. 533,866. Patented Feb. 12, 1895.

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To all whom it may concern:

UNITED. STATES PATENT OFFI E.

JAMES WITHERSPOON COOPER, OFIMAYESVILLE, SOUTH CAROLINA.

sAw v COTTON-GIN.

I SPECIFICATION forming part of Letters Patent No. 533,866, dated February 12, 1895.

' Application filed September 1,1894. Serial No. 521,899. (No model.)

Be it known that I, JAMES WITHERSPOON COOPER, a citizen of the United States, residing at Mayesville, in the countyof Sumter and State of South'Carolina, have invented certain new and useful Improvements in Saw OOtlIOIl-GlIlS; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled'in the art to which it appertains to make and use the same, reference beinghad to the accompanying drawings, and to the letters of reference marked thereon, which form a part.

of this'specification.

The invention consists in making the breast ribs of a cotton gin with ofisetsjand combining therewith two sets of saws arranged one above the other and inparallel planes whereby time and labor may be economized.

Figure 1 of the drawings is a front elevation; Fig. 2, a'longitudinal vertical section,

' and Figs. 3, 4:, and 5, detail views to show the wearing plates.

- the ribs, to take up the usual wear caused by the friction of the saws.

In the drawings, A represents a gin breast between whose ribs arotate the interlapping saws B. V p

O. are steel plates let into the outer face of means of thesev plates 0 which may be connected with the ribs by a rectangular, obtuseangled or dovetail joint as shown in Figs. 3, 4, and 5 of the drawings.

The ribs a are themselves made with the offsets a. which are preferably in the form of lower sets cannot possibly interferewith one ing the saws of one set interlapping the saws ofthe other, in combination with a breast having its ribs provided with the offsets a as and for the purpose specified.

In testimony whereof I affix my signature in presence of two witnesses.

JAMES WITHERSPOON COOPER. 

